SSC
PHYSICS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A current of 2 Amps, at a p.d. of 12V flows for 60 seconds. How much energy is transferred?
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4410J
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1440 J
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1440 W
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4410W
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Explanation:
Detailed explanation-1: -Heat transfer H=VIt=12×4×300=14. 4 kJ.
Detailed explanation-2: -When a current of 2A flows in a battery from negative to positive terminal, the potential difference across it is 12V.
There is 1 question to complete.